the sound of cleaning the speaker for an Android cell phone hit by water, a small sound hit by dust

frequency 30hz ~ 3000hz sound, speaker cleaner sound water the sound of cleaning android cellphone speakers from congested water clogged with crackle dust or small sounds, this sound can also be used to test the woofer tone test or subwoofer test

how to use this sound
1, play this sound 3~4 minutes when the speaker sound has little problem
2, play this sound 5~7 minutes when the speaker sound is severely damaged
3, disconnect the headset when it is again connected
4, face the speaker position downwards
5, turn the volume up/maximum
6, if necessary, suck on the speaker holes so that water or dust can quickly come out

Hope it is useful
good luck